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authorLinus Torvalds <torvalds@linux-foundation.org>2012-12-13 10:39:26 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-12-13 10:39:26 -0800
commitdb5b0ae00712b5176d7405e7a1dd2bfd6e8f5070 (patch)
tree4e874d81ca9037dda1007178bbc9613649d43305 /drivers/usb
parent6be35c700f742e911ecedd07fcc43d4439922334 (diff)
parent64507dd7028e3e0145077e73b8374bd75aea117c (diff)
downloadlinux-db5b0ae00712b5176d7405e7a1dd2bfd6e8f5070.tar.gz
Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC device tree conversions and enablement from Olof Johansson:
 "Continued device tree conversion and enablement across a number of
  platforms; Kirkwood, tegra, i.MX, Exynos, zynq and a couple of other
  smaller series as well.

  ux500 has seen continued conversion for platforms.  Several platforms
  have seen pinctrl-via-devicetree conversions for simpler
  multiplatform.  Tegra is adding data for new devices/drivers, and
  Exynos has a bunch of new bindings and devices added as well.

  So, pretty much the same progression in the right direction as the
  last few releases."

Fix up conflicts as per Olof.

* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (185 commits)
  ARM: ux500: Rename dbx500 cpufreq code to be more generic
  ARM: dts: add missing ux500 device trees
  ARM: ux500: Stop registering the PCM driver from platform code
  ARM: ux500: Move board specific GPIO info out to subordinate DTS files
  ARM: ux500: Disable the MMCI gpio-regulator by default
  ARM: Kirkwood: remove kirkwood_ehci_init() from new boards
  ARM: Kirkwood: Add support LED of OpenBlocks A6
  ARM: Kirkwood: Convert to EHCI via DT for OpenBlocks A6
  ARM: kirkwood: Add NAND partiton map for OpenBlocks A6
  ARM: kirkwood: Add support second I2C bus and RTC on OpenBlocks A6
  ARM: kirkwood: Add support DT of second I2C bus
  ARM: kirkwood: Convert mplcec4 board to pinctrl
  ARM: Kirkwood: Convert km_kirkwood to pinctrl
  ARM: Kirkwood: support 98DX412x kirkwoods with pinctrl
  ARM: Kirkwood: Convert IX2-200 to pinctrl.
  ARM: Kirkwood: Convert lsxl boards to pinctrl.
  ARM: Kirkwood: Convert ib62x0 to pinctrl.
  ARM: Kirkwood: Convert GoFlex Net to pinctrl.
  ARM: Kirkwood: Convert dreamplug to pinctrl.
  ARM: Kirkwood: Convert dockstar to pinctrl.
  ...
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/host/ehci-orion.c38
1 files changed, 35 insertions, 3 deletions
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index f74794c93152..a7d1f5b4c4ed 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -14,6 +14,9 @@
 #include <linux/mbus.h>
 #include <linux/clk.h>
 #include <linux/platform_data/usb-ehci-orion.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
 
 #define rdl(off)	__raw_readl(hcd->regs + (off))
 #define wrl(off, val)	__raw_writel((val), hcd->regs + (off))
@@ -167,6 +170,8 @@ ehci_orion_conf_mbus_windows(struct usb_hcd *hcd,
 	}
 }
 
+static u64 ehci_orion_dma_mask = DMA_BIT_MASK(32);
+
 static int ehci_orion_drv_probe(struct platform_device *pdev)
 {
 	struct orion_ehci_data *pd = pdev->dev.platform_data;
@@ -177,13 +182,17 @@ static int ehci_orion_drv_probe(struct platform_device *pdev)
 	struct clk *clk;
 	void __iomem *regs;
 	int irq, err;
+	enum orion_ehci_phy_ver phy_version;
 
 	if (usb_disabled())
 		return -ENODEV;
 
 	pr_debug("Initializing Orion-SoC USB Host Controller\n");
 
-	irq = platform_get_irq(pdev, 0);
+	if (pdev->dev.of_node)
+		irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
+	else
+		irq = platform_get_irq(pdev, 0);
 	if (irq <= 0) {
 		dev_err(&pdev->dev,
 			"Found HC with no IRQ. Check %s setup!\n",
@@ -201,6 +210,14 @@ static int ehci_orion_drv_probe(struct platform_device *pdev)
 		goto err1;
 	}
 
+	/*
+	 * Right now device-tree probed devices don't get dma_mask
+	 * set. Since shared usb code relies on it, set it here for
+	 * now. Once we have dma capability bindings this can go away.
+	 */
+	if (!pdev->dev.dma_mask)
+		pdev->dev.dma_mask = &ehci_orion_dma_mask;
+
 	if (!request_mem_region(res->start, resource_size(res),
 				ehci_orion_hc_driver.description)) {
 		dev_dbg(&pdev->dev, "controller already in use\n");
@@ -248,7 +265,12 @@ static int ehci_orion_drv_probe(struct platform_device *pdev)
 	/*
 	 * setup Orion USB controller.
 	 */
-	switch (pd->phy_version) {
+	if (pdev->dev.of_node)
+		phy_version = EHCI_PHY_NA;
+	else
+		phy_version = pd->phy_version;
+
+	switch (phy_version) {
 	case EHCI_PHY_NA:	/* dont change USB phy settings */
 		break;
 	case EHCI_PHY_ORION:
@@ -303,9 +325,19 @@ static int __exit ehci_orion_drv_remove(struct platform_device *pdev)
 
 MODULE_ALIAS("platform:orion-ehci");
 
+static const struct of_device_id ehci_orion_dt_ids[] __devinitdata = {
+	{ .compatible = "marvell,orion-ehci", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, ehci_orion_dt_ids);
+
 static struct platform_driver ehci_orion_driver = {
 	.probe		= ehci_orion_drv_probe,
 	.remove		= __exit_p(ehci_orion_drv_remove),
 	.shutdown	= usb_hcd_platform_shutdown,
-	.driver.name	= "orion-ehci",
+	.driver = {
+		.name	= "orion-ehci",
+		.owner  = THIS_MODULE,
+		.of_match_table = of_match_ptr(ehci_orion_dt_ids),
+	},
 };